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Finding the Fourth Proportional to 248,809.60, 373,300.80 and 108,668.80

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Solution

The fourth proportional to 248,809.60, 373,300.80 and 108,668.80 is: 163,040.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,809.60 : 373,300.80 = 108,668.80 : x
  2. Step 2: Convert to fraction form
    248,809.60/373,300.80 = 108,668.80/x
  3. Step 3: Cross multiply
    248,809.60x = 373,300.80 × 108,668.80
  4. Step 4: Simplify right side
    248,809.60x = 40,566,149,975.04
  5. Step 5: Solve for x
    x = 40,566,149,975.04/248,809.60
  6. Step 6: Final answer
    x = 163,040.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.